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Quality control of nifedipine dispersible tablets
Author(s): WANG Zi-jing, LIU Qing, DAI Xue-wen, FANG Zhi-zhong
Pages: 502-
506
Year: 2013
Issue:
6
Journal: Journal of Tianjin Medical University
Keyword: nifedipine; dispersible tablets; quality control; HPLC;
Abstract: 目的:建立硝苯地平分散片中硝苯地平的质量控制方法,保证该制剂质量.方法:采用高效液相色谱法测定硝苯地平的含量,色谱柱为Kromasil-C1s柱(200 mm×4.6 mm,5 μm),甲醇-水(65:35)为流动相,检测波长为237 nm,流速为0.8 mL/min,进样量为20μL,柱温为室温.结果:硝苯地平的含量为标示量的100.09%;在5.0~35.0 μg/mL的浓度范围内与峰面积线性关系良好;平均回收率为100.07%.制剂有关物质检测合格.结论:高效液相色谱法专属性好,操作方便,结果准确,重现性好,能有效地控制硝苯地平分散片的质量.
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